520000911

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{6803}}^1$

素因数の和:6980

約数の個数: 32

約数和(自身を含む): 816480000

約数和(自身を除く): 296479089

約数列:

[1, 3, 9, 19, 27, 57, 149, 171, 447, 513, 1341, 2831, 4023, 6803, 8493, 20409, 25479, 61227, 76437, 129257, 183681, 387771, 1013647, 1163313, 3040941, 3489939, 9122823, 19259293, 27368469, 57777879, 173333637, 520000911]

約数ペア:

[(1, 520000911), (3, 173333637), (9, 57777879), (19, 27368469), (27, 19259293), (57, 9122823), (149, 3489939), (171, 3040941), (447, 1163313), (513, 1013647), (1341, 387771), (2831, 183681), (4023, 129257), (6803, 76437), (8493, 61227), (20409, 25479)]